25386081 has 16 divisors (see below), whose sum is σ = 38759424. Its totient is φ = 14477904.

The previous prime is 25386079. The next prime is 25386103. The reversal of 25386081 is 18068352.

It is a happy number.

It is not a de Polignac number, because 25386081 - 2¹ = 25386079 is a prime.

It is a super-2 number, since 2×25386081² = 1288906217077122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25386041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14790 + ... + 16416.

It is an arithmetic number, because the mean of its divisors is an integer number (2422464).

Almost surely, 2^25386081 is an apocalyptic number.

25386081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25386081 is a deficient number, since it is larger than the sum of its proper divisors (13373343).

25386081 is a wasteful number, since it uses less digits than its factorization.

25386081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 25386081 is about 5038.4601814443. The cubic root of 25386081 is about 293.8993014383.

The spelling of 25386081 in words is "twenty-five million, three hundred eighty-six thousand, eighty-one".